Test Set I-48-B
Publisher: Washington, D.C. : War Department, 1944
Published: 1944
Place of publication: Washington, D.C., USA
Language: eng
Table of contents: title: TM 11-2050 Test Set I-48-B, 1944-10-14; title: TABLE OF CONTENTS; title: Paragraph Page; title: SECTION I. Description.; title: General 1 1; title: List of components 2 1; title: Case assembly 3 3; title: End shield 4 3; title: Chassis 5 3; title: Carrying case 6 3; title: Test leads 7 3; title: Differences in models 8 5; title: II. Installation and operation.; title: Installation 9 7; title: Adjustments 10 7; title: Range of Test Set I-48-B 11 7; title: Precautions and test prior to operation 12 7; title: Calibration 13 8; title: Operation of Test Set I-48-B for insulation resistance measurements 14 8; title: Insulation resistance tests of motors 15 9; title: Insulation resistance tests of apparatus with high electrostatic capacitance 16 10; title: Measurement over 100 megohms  17 11; title: Insulation resistance test of cable 18 11; title: Operation of Test Set I-48-B as 500-volt d-c potential source  19 12; title: Proper insulation resistance values of equipment under test 20 12; title: III. Functioning of parts.; title: Ohmmeter 21 14; title: Working circuit 22 15; title: Guard circuit 23 16; title: Generator 24 16; title: Resistance network 25 17; title: IV. Maintenance.; title: Routine inspection 26 19; title: Periodic shop inspection 27 19; title: Maintenance test procedures  28 19; title: Output voltage adjustment 29 21; title: Lubrication 30 21; title: Moistureproofing and fungiproofing 31 21; title: V. Supplementary data.; title: Maintenance parts list for Test Set I-48-B 32 21; title: LIST OF ILLUSTRATIONS; title: Fig. No. Title Page; title: 1 Test Set I-48-B with carrying case and test leads VI; title: 2 Test Set I-48-B, top view 2; title: 3 Test Set I-48-B, case and shield removed 4; title: 4 Terminal voltage for various resistances under test 6; title: 5 Test Set I-48-B connected to motor for measurement of insulation resistance 9; title: 6 Test Set I-48-B connected to capacitor for measurement of insulation resistance 10; title: 7 Test Set I-48-B connected to cable for measurement of insulation resistance 11; title: 8 Ohmmeter movement of Test Set I-48-B 14; title: 9 Test Set I-48-B, schematic diagram 15; title: 10 Test Set I-48-B, wiring diagram 17; title: 11 Test Set I-48-B, shield connections 18; title: 12 Adjustment of output voltage 20